/* gnome-bg-slide_show.h - fade window background between two surfaces

   Copyright 2008, Red Hat, Inc.

   This file is part of the Gnome Library.

   The Gnome Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Library General Public License as

   published by the Free Software Foundation; either version 2 of the

   License, or (at your option) any later version.

   The Gnome Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public

   License along with the Gnome Library; see the file COPYING.LIB.  If not,

   write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

   Boston, MA 02110-1301, USA.

   Author: Ray Strode <rstrode@redhat.com>

*/

#ifndef __GNOME_BG_SLIDE_SHOW_H__

#define __GNOME_BG_SLIDE_SHOW_H__

#ifndef GNOME_DESKTOP_USE_UNSTABLE_API

#error    GnomeBGSlideShow is unstable API. You must define GNOME_DESKTOP_USE_UNSTABLE_API before including gnome-bg-slide_show.h

#endif

#include <gdk/gdk.h>

G_BEGIN_DECLS

#define GNOME_BG_TYPE_SLIDE_SHOW            (gnome_bg_slide_show_get_type ())

#define GNOME_BG_SLIDE_SHOW(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GNOME_BG_TYPE_SLIDE_SHOW, GnomeBGSlideShow))

#define GNOME_BG_SLIDE_SHOW_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  GNOME_BG_TYPE_SLIDE_SHOW, GnomeBGSlideShowClass))

#define GNOME_BG_IS_SLIDE_SHOW(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GNOME_BG_TYPE_SLIDE_SHOW))

#define GNOME_BG_IS_SLIDE_SHOW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  GNOME_BG_TYPE_SLIDE_SHOW))

#define GNOME_BG_SLIDE_SHOW_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  GNOME_BG_TYPE_SLIDE_SHOW, GnomeBGSlideShowClass))

typedef struct _GnomeBGSlideShowPrivate GnomeBGSlideShowPrivate;

typedef struct _GnomeBGSlideShow GnomeBGSlideShow;

typedef struct _GnomeBGSlideShowClass GnomeBGSlideShowClass;

struct _GnomeBGSlideShow

{

	GObject parent_object;

	GnomeBGSlideShowPrivate *priv;

};

struct _GnomeBGSlideShowClass

{

	GObjectClass parent_class;

};

G_DEFINE_AUTOPTR_CLEANUP_FUNC(GnomeBGSlideShow, g_object_unref)

GType             gnome_bg_slide_show_get_type (void);

GnomeBGSlideShow *gnome_bg_slide_show_new (const char *filename);

gboolean          gnome_bg_slide_show_load (GnomeBGSlideShow  *self,

                                            GError           **error);

void              gnome_bg_slide_show_load_async (GnomeBGSlideShow    *self,

                                                  GCancellable        *cancellable,

                                                  GAsyncReadyCallback  callback,

                                                  gpointer             user_data);

gboolean          gnome_bg_slide_show_get_slide (GnomeBGSlideShow *self,

                                                 int               frame_number,

                                                 int               width,

                                                 int               height,

                                                 gdouble          *progress,

                                                 double           *duration,

                                                 gboolean         *is_fixed,

                                                 const char      **file1,

                                                 const char      **file2);

void              gnome_bg_slide_show_get_current_slide (GnomeBGSlideShow  *self,

                                                         int                width,

                                                         int                height,

                                                         gdouble           *progress,

                                                         double            *duration,

                                                         gboolean          *is_fixed,

                                                         const char       **file1,

                                                         const char       **file2);

double gnome_bg_slide_show_get_start_time (GnomeBGSlideShow *self);

double gnome_bg_slide_show_get_total_duration (GnomeBGSlideShow *self);

gboolean gnome_bg_slide_show_get_has_multiple_sizes (GnomeBGSlideShow *self);

int  gnome_bg_slide_show_get_num_slides (GnomeBGSlideShow *self);

G_END_DECLS

#endif